On Thu, Dec 13, 2012 at 7:09 PM, Damon Kohler <damonkohler@google.com>wrote:

> This may be a good question for http://answers.ros.org


Hmm, might be true. I was not sure, if it fits. Since it was working for
Fuerte, it might be a hidden Groovy bug.
I'll repost it there, if you like.


>
>
> The first thing I would check is whether or not the message is
> actually making it over the network (e.g. wireshark). You could also
> try a simple rosjava subscriber. I can say, that this use case is used
> actively so it's likely a configuration problem.
>

The message does come through, since the rospy subscribers I have tested in
parallel are receiving the message. Only the roscpp callbacks are not
triggered.

Marcus


> On Thu, Dec 13, 2012 at 10:15 AM, Marcus Liebhardt
> <marcus.liebhardt@rnd.yujinrobot.com> wrote:
> > Another problem I ran into today:
> > When sending messages from an Android app (e.g. Turtlebot teleop sending
> > geometry_msgs/Twist), the callback of my roscpp subscriber didn't get
> > triggered.
> > I tested this with simple subscriber implementations in roscpp and rospy
> in
> > parallel (plus rostopic echo, which is also implemented with rospy
> AFAIK).
> > This only happened when sending from Android, so might be a bug there (or
> > just because we currently can't recompile those apps). When sending from
> > another 2.Beta Groovy 64Bit Ubuntu machine, callbacks in both
> > implementations worked fine.
> >
> > If anybody knows further tests, with which I could narrow down the root
> > cause, please let me know!
> >
> > Thanks,
> > Marcus
> >
> > --
> > Marcus Liebhardt
> > Control Engineer
> > Yujin Robot
> > 주소: 대한민국 서울시 금천구 가산동 345-30 남성프라자 #601, 153-023.
> > Address: Door #601, Namsung-Plaza, 345-30 Gasan-dong, Guemcheon-gu,
> Seoul,
> > 153-023, Republic of Korea
> > Website: http://www.yujinrobot.com
> > Email: marcus.liebhardt@yujinrobot.com
> > Phone: +82-70-46577073
> >
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> >
>
>
>
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-- 
Marcus Liebhardt
Control Engineer
Yujin Robot
주소: 대한민국 서울시 금천구 가산동 345-30 남성프라자 #601, 153-023.
Address: Door #601, Namsung-Plaza, 345-30 Gasan-dong, Guemcheon-gu, Seoul,
153-023, Republic of Korea
Website: http://www.yujinrobot.com
Email: marcus.liebhardt@yujinrobot.com
Phone: +82-70-46577073